What is the purpose of observation tank in boiler?

The observation tank in a boiler system serves as a visual monitoring point for the water level and overall condition of the boiler water. It allows operators to assess the water quality, detect any impurities, and ensure the proper functioning of the boiler. By providing a direct view, it helps in maintaining safety and efficiency, preventing issues like overheating or system failure. Additionally, it can facilitate sampling for analysis and maintenance purposes.